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4096Wh DELTA Pro 3 Smart Extra Battery

Prices as of September 25, 2026, as listed by each retailer — verify the current price on the retailer's site before purchase.

Price history tracked at Macy's price tracker

14-day low
$1,899
Sep 12 · Macy's
Best price
$1,899
−0% vs high
14-day high
$1,899
All stores
$1,899$1,899$1,899
Sep 12Sep 25
  • Macy's
Lowest in 14 days: $1899.00 at Macy's. Highest: $1899.00. Current best is 0% below the 14-day high.

About this product

The EcoFlow DELTA Pro 3 Smart Extra Battery is a portable power extension designed to seamlessly connect with the main EcoFlow DELTA Pro 3 unit. It expands the system's total capacity up to 12kWh, offering scalable energy storage for off-grid or backup power needs. Built with a long-lasting LFP battery, it maintains 80% capacity after 4,000 charge cycles. Its compact, plug-and-play design allows for easy setup and transport. The unit is shipped via standard ground only due to its lithium battery content.

  • 4096Wh capacity
  • LFP battery, 4000 cycles
  • Works with DELTA Pro 3
  • Plug-and-play connection
  • Up to 12kWh scalable
  • Standard ground shipping only

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4096Wh DELTA Pro 3 Smart Extra Battery — Price Tracker & History